>> i believe that human beings have what i call discretionary energy that they can give you or not. and i don't think that they will give it to you if they don't feel that they're treated with dignity and respect every day. i'm treated with dignity and respect. a down payment on that is nobody ever gets hurt here is because we care about our own commitment to our safety, and we care about the people we work with. it swells up to into you do, it gives you a sense of pride with the organization you're involved with. >> then thyou ask them for extr productivity. >> you don't have to ask them. they turn it loose. we went from 1.86 per 100 per year to cause them to miss a work day. we got to 0.13. to give you a reference point, the number in health medical care institutions in the united states is five, right? >> and now described what happened to alcoa commercially, financially under your term. >> well, we -- i think we improved market capitalization of the company 900% while i was there. the market company valued at $4 billion to $28 billion in 13 years. >> and you attribute that to --